<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="../dist/layui.css">
    <link rel="stylesheet" href="../src-new/style-panel.css">
    <style>
        body{
            padding: 20px 200px;
        }
    </style>
</head>
<body>

<div class="panel panel-default">
    <div class="panel-heading">Panel heading without title</div>
    <div class="panel-body">
        Panel content
    </div>
</div>

<div class="panel panel-default">
    <div class="panel-heading">
        <h3 class="panel-title">Panel title</h3>
    </div>
    <div class="panel-body">
        Panel content
    </div>
</div>

<div class="panel panel-default">
    <div class="panel-heading">
        <h3 class="panel-title">Panel title</h3>
    </div>
    <div class="panel-body">
        Panel content
    </div>
    <div class="panel-footer">Panel footer</div>
</div>

<script src="../src/layui.js"></script>
<script>
    layui.use(['jquery', 'form'], function($, form){

    });
</script>
</body>
</html>